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189410131 is a prime number
BaseRepresentation
bin10110100101000…
…10101101010011
3111012102000212001
423102202231103
5341442111011
630443414431
74456650061
oct1322425523
9435360761
10189410131
1197a0a6a9
1253524417
133031a101
141b227031
15119667c1
hexb4a2b53

189410131 has 2 divisors, whose sum is σ = 189410132. Its totient is φ = 189410130.

The previous prime is 189410087. The next prime is 189410159. The reversal of 189410131 is 131014981.

189410131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (189410159) can be obtained adding 189410131 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189410131 - 27 = 189410003 is a prime.

It is a super-2 number, since 2×1894101312 = 71752395450874322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189410131.

It is not a weakly prime, because it can be changed into another prime (189410161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94705065 + 94705066.

It is an arithmetic number, because the mean of its divisors is an integer number (94705066).

Almost surely, 2189410131 is an apocalyptic number.

189410131 is a deficient number, since it is larger than the sum of its proper divisors (1).

189410131 is an equidigital number, since it uses as much as digits as its factorization.

189410131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 189410131 is about 13762.6353217689. The cubic root of 189410131 is about 574.2941620105.

It can be divided in two parts, 18 and 9410131, that added together give a palindrome (9410149).

The spelling of 189410131 in words is "one hundred eighty-nine million, four hundred ten thousand, one hundred thirty-one".